<!doctype html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<title>基础的Canvas</title>
</head>

<body>
<div id="canvas-warp">
	<canvas id="canvas" style="border: 1px solid #aaaaaa; display: block; margin: 50px auto;" width="800" height="600">
	你的浏览器居然不支持Canvas？！赶快换一个吧！！
	</canvas>
</div>
</body> 

</html>